public Value Kyureki(IReadOnlyList <Value> args)
{
ArgumentsVerifier.VerifyAndThrow(args, "s", ErrorType.InvalidArgument);
var date = DateTimeUtility.ParseDateTime(args[0].String);
var sb = new StringBuilder();
sb.Append(DateTimeUtility.DateTimeToKyurekiString(date));
sb.Append(DateTimeUtility.TryGetEtoString(date, out var eto) ? $" {eto}" : null);
sb.Append(DateTimeUtility.TryGetRokuyoString(date, out var rokuyo) ? $" {rokuyo}" : null);
return(new Value(sb.ToString()));
}
